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A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England. Visitors to the Comic Convention are encouraged to wear a costume of their favorite comic character and flock to the Expo to gather all the latest news in the world of comics, manga, anime, film, cosplay, games and cult fiction.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

Chris Hayne 26, from Sheffield poses as a Licker from Resident Evil ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.

Credit: Dan Kitwood/Getty Images

A Comic-Con attendee poses in costume ahead of the MCM London Comic-Con Expo at ExCel on Oct. 26, 2012 in London, England.